From d0997fa821557eaf65c9137d0b8adc0f231dc2f2 Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Tue, 15 Feb 2005 00:45:30 +0000
Subject: Changed truncate_entries so that --head and --tail can be used at the
 same time.

---
 main.cc |  4 +---
 walk.cc | 14 ++++++++------
 walk.h  |  8 ++++----
 3 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/main.cc b/main.cc
index 908b05b4..6bd1201f 100644
--- a/main.cc
+++ b/main.cc
@@ -78,9 +78,7 @@ chain_xact_handlers(const std::string&		  command,
     if (config.head_entries || config.tail_entries)
       ptrs.push_back(formatter =
 		     new truncate_entries(formatter,
-					  config.head_entries ?
-					  config.head_entries :
-					  config.tail_entries,
+					  config.head_entries,
 					  config.tail_entries));
 
     // filter_transactions will only pass through transactions
diff --git a/walk.cc b/walk.cc
index a402ebf5..9381daa6 100644
--- a/walk.cc
+++ b/walk.cc
@@ -85,18 +85,20 @@ void truncate_entries::flush()
     }
 
     bool print = false;
-    if (tailwise) {
-      if (count > 0 && l - i <= count)
-	print = true;
-      else if (count < 0 && l - i > - count)
-	print = true;
-    } else {
+    if (head_count) {
       if (count > 0 && i < count)
 	print = true;
       else if (count < 0 && i >= - count)
 	print = true;
     }
 
+    if (! print && tail_count) {
+      if (count > 0 && l - i <= count)
+	print = true;
+      else if (count < 0 && l - i > - count)
+	print = true;
+    }
+
     if (print)
       item_handler<transaction_t>::operator()(**x);
   }
diff --git a/walk.h b/walk.h
index c8e15a88..2896b28b 100644
--- a/walk.h
+++ b/walk.h
@@ -147,16 +147,16 @@ class ignore_transactions : public item_handler<transaction_t>
 
 class truncate_entries : public item_handler<transaction_t>
 {
-  int  count;
-  bool tailwise;
+  int head_count;
+  int tail_count;
 
   transactions_list xacts;
 
  public:
   truncate_entries(item_handler<transaction_t> * handler,
-		   int _count, bool _tailwise = false)
+		   int _head_count, int _tail_count)
     : item_handler<transaction_t>(handler),
-      count(_count), tailwise(_tailwise) {}
+      head_count(_head_count), tail_count(_tail_count) {}
 
   virtual void flush();
   virtual void operator()(transaction_t& xact) {
-- 
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